U. S. Environmental Protection Agency, Contracts Management Division (MD-33), Attention: OARSC, Research Triangle Park, NC 27711

B -- ANALYSIS OF VARIABILITY AND UNCERTAINTY IN EMISSION ESTIMATION SOL PR-RT-98-00945 POC William Newby, Contracts Specialist, (919) 541-5296 or Kathleen H. Moore, C.O. (919) 541-3504 EPA intends to award a sole source purchase order to NCSU -- Dept. of Civil Engineering, pursuant to 41 U.S.C. 253(c)(1) -- Only one responsible source and no other supplies or services will satisfy agency requirements. This procurement is for the contractor to perform the analysis of variability and uncertainty in emission estimation. First the contractor shall prepare draft and final versions of a report to provide distributions for emissions estimations for the selected pollutants and SCC's at the selected spatial and temporal averaging levels. This report shall describe in detail the methodology used to attain the distributions including what assumptions were made. Second the contractor shall present the findings to the Emissions Factor Inventory Group (EFIG) in Research Triangle Park, N.C., within 115 days of the effective date of this Procurement Order. This project requires familiarity and experience with the analysis of emissions data and utilization of a two dimensional probabilistic simulation framework. All responsible sources may respond by submitting a written narrative statement of capability within 15 days of this notice to William Newby at the above address, which will be considered by the agency. Responses shall include detailed technical information and other technical literature demonstrating the ability to meet the requirement. Responses shall also include itemized pricing that is sufficient to make a determination that competition is feasible. If no affirmative responses are received within 15 days of this notice to determine whether a qualified source is more advantageous to the government, an order will be placed with the North Carolina State University. (0133)

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